Simplify the radical. Assume that all variables represent positive numbers.
A. 9
B. 9y2
C. 9y
D. 9
Answer: C
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Solve the problem.Mardi received an inheritance of $50,000. She invested part at 8% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $4100. Find the amount invested at 8%.
A. $40,000 B. $45,900 C. $20,000 D. $39,000
Solve. Write the fraction in simplest form.Linda walked 
mi to the park and then another 
mi to the cafe. How far did she walk in total?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Use a vertical format to subtract the polynomials. 7y4 - 7y3 + 7y2
A. 7y4 - 6y3 + 16y2 - y - 13 B. 7y4 - 8y3 - 2y2 - y - 13 C. 7y4 - 6y3 - 2y2 + y + 13 D. 7y4 - 8y3 + 16y2 + y + 13
Given the graph of the function f(x) = -x3 + 3x; find a formula for g(x) .f(x) = -x3 + 3xg(x) =
?
A. g(x) = -(x + 2)3 + 3(x + 2)
B. g(x) = 2(-x3 + 3x)
C. g(x) = 
(-x3 + 3x)
D. g(x) = -x3 + 3x + 2